################################################
# /etc/make.conf
CFLAGS="-O2 -mcpu=ultrasparc -fPIE -fPIC"
CHOST="sparc-unknown-linux-gnu"
CXXFLAGS="${CFLAGS}"
USE="pic pie hardened"
LDFLAGS="-Wl,-z,now -Wl,-z,noexecheap -Wl,-z,noexecstack -Wl,-z,relro"

#################################################
tachyon root # diff -u specs.orig specs     
#################################################
--- specs.orig  2004-05-02 04:04:44.239712000 +0000
+++ specs       2004-05-02 04:00:29.869712000 +0000
@@ -150,5 +150,5 @@
 %{m32:%(asm_arch32)} %{m64:%(asm_arch64)} %{!m32:%{!m64:%(asm_arch_default)}} 
 
 *link_command:
-%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:    %(linker) %l %{!nopie: %{!A: %{!i: %{!r: %{!static: %{!nostdlib: %{!nostartfiles: %{!shared: -pie} } } -z relro} } } } }  %{pie: } %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}    %{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}    %{static:} %{L*} %(link_libgcc) %o %{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}    %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}
+%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:    %(linker) %l %{!nopie: %{!A: %{!i: %{!r: %{!static: %{!nostdlib: %{!nostartfiles: %{!shared: -pie} } } -z now -z relro -z noexecstack -z noexecheap } } } } }  %{pie: } %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}    %{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}    %{static:} %{L*} %(link_libgcc) %o %{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}    %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}
 

#################################################
tachyon root # readelf -l /sbin/chpax 
#################################################

Elf file type is DYN (Shared object file)
Entry point 0xe48
There are 9 program headers, starting at offset 52

Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  PHDR           0x000034 0x00000034 0x00000034 0x00120 0x00120 R E 0x4
  INTERP         0x000154 0x00000154 0x00000154 0x00013 0x00013 R   0x1
      [Requesting program interpreter: /lib/ld-linux.so.2]
  LOAD           0x000000 0x00000000 0x00000000 0x02928 0x02928 R E 0x10000
  LOAD           0x011e10 0x00011e10 0x00011e10 0x00338 0x003f0 RWE 0x10000
  DYNAMIC        0x011e24 0x00011e24 0x00011e24 0x000d8 0x000d8 RW  0x4
  NOTE           0x000168 0x00000168 0x00000168 0x00020 0x00020 R   0x4
  STACK          0x000000 0x00000000 0x00000000 0x00000 0x00000 RW  0x4
  GNU_RELRO      0x011e10 0x00011e10 0x00011e10 0x001f4 0x001f4 R E 0x4
  PAX_FLAGS      0x000000 0x00000000 0x00000000 0x00000 0x00000     0x4

 Section to Segment mapping:
  Segment Sections...
   00     
   01     .interp 
   02     .interp .note.ABI-tag .hash .dynsym .dynstr .gnu.version .gnu.version_r .rela.dyn .rela.plt .init .text .fini .rodata .eh_frame 
   03     .ctors .dtors .jcr .dynamic .got .plt .data .bss 
   04     .dynamic 
   05     .note.ABI-tag 
   06     
   07     .ctors .dtors .jcr .dynamic .got 
   08     

#################################################
tachyon root # readelf -d /sbin/chpax 
#################################################

Dynamic segment at offset 0x11e24 contains 23 entries:
  Tag        Type                         Name/Value
 0x00000001 (NEEDED)                     Shared library: [libc.so.6]
 0x0000000c (INIT)                       0xe00
 0x0000000d (FINI)                       0x22a0
 0x00000004 (HASH)                       0x188
 0x00000005 (STRTAB)                     0x6e8
 0x00000006 (SYMTAB)                     0x318
 0x0000000a (STRSZ)                      549 (bytes)
 0x0000000b (SYMENT)                     16 (bytes)
 0x00000015 (DEBUG)                      0x0
 0x00000003 (PLTGOT)                     0x12004
 0x00000002 (PLTRELSZ)                   264 (bytes)
 0x00000014 (PLTREL)                     RELA
 0x00000017 (JMPREL)                     0xcec
 0x00000007 (RELA)                       0x9c8
 0x00000008 (RELASZ)                     1068 (bytes)
 0x00000009 (RELAENT)                    12 (bytes)
 0x00000018 (BIND_NOW)                   
 0x6ffffffb (FLAGS_1)                    Flags: NOW
 0x6ffffffe (VERNEED)                    0x988
 0x6fffffff (VERNEEDNUM)                 1
 0x6ffffff0 (VERSYM)                     0x90e
 0x6ffffff9 (RELACOUNT)                  43
 0x00000000 (NULL)                       0x0

-------------------------------------------------